docs: def validate_list_of_identical_dicts(self, list_of_dicts):
          """Check that all dicts within a list are identical."""
          hashes = []
          for _dict in list_of_dicts:
              hashes.append(hash(frozenset(_dict.items())))
  
          self.log.debug('Hashes: {}'.format(hashes))
          if len(set(hashes)) == 1:
              self.log.debug('Dicts within list are identical')
          else:
              return 'Dicts within list are not identical'
  
          return None